Which number should be placed in the blank to make the equation balanced Xe+___F2=XeF2?

A neutral boron atom has 6 neutrons and 5 electrons. How many protons does it have?

Which of the following statement about oce melting is true

You can increase the capacitance of a capacitor by A. Decreasing the plate spacing B. Increasing the plate spacing. ° C. Decreasing the area of the plates. D. Increasing the area of the plates. E. Both A and D F. Both B and C

The Hubble telescope's orbit is 5.6 x 105 meters above Earth's surface. The telescope has a mass of 1.1 x 104 kilograms. Earth exerts a gravitational force of 9.1 x 104 newtons on the telescope.

A liquid is cooled if a. evaporation exceeds condensation. b. condensation exceeds evaporation. c. evaporation and condensation proceed at equal rates. d. condensation occurs at twice the rate of evaporation

Which best describes tropical continental climate during the summer? A. clear, dry weather, B. cloudy, wet weather, C. cold, dry weather, D. hot, dry weather

At the beach, describe where or when you would see wave fronts. How are wave fronts useful to surfers?

How would the moon appear from earth if the moon did not rotate?

Block B has mass 4.00 kg and sits at rest on a horizontal, frictionless surface. Block A has mass 2.00 kg and sits at rest on top of block B. The coefficient of static friction between the two blocks is 0.400.

T=2π√ (l/g) is dimensionally correct